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It is possible to convert radiant energy into electrical energy using photovoltaic cells. Assuming equal efficiency of conversion, would infrared or ultraviolet radiation yield more electrical energy on a per-photon basis?
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
What is the pH of the solution?
how would you know a strong acid from a weak acid without looking at some data? for example hbr hi hci are all stong
consider the following reactionpdos cog pds co2g kc4.0 x 103 at 1000kif a mixture of solid palladiumii oxide and
Explain what is the highest concentration of creatine that thermodynamically favors for phosphate group to be transferred from phosphocreatine to ADP? Presume T = 310 K.
there are some given compounds ch3br rbf ch3oh co2arrange all these compounds in order of increasing boiling points and
Give a definition of the ?outer. Explain what structural features of the solvent contribute to the value of this term.
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year. The compound is synthesized from propene in the following reaction
a compound contains 87.7% carbon and 14.3% hydrogen.its relative molecular mass is 70.what is the empirical formula and the molecular formula.and is it an alkane or alkene
A flask contains 200 mL of 0.1M phosphate buffer that has a pH of 7.0. What volume of 0.1M NaOH should be added to increase the pH to 7.6
What was the composition of the mixture of Mg and Zn expressed as percent by mass? If the volume of acid used was 100 mL, what were the final molar concentrations of MgSO4 and ZnSO4?
Calculate the number of grams of Mg(OH)2 that should dissolve in 100 mL of water.
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